private static VertexAttribute GetActualVertexAttribute(VertexAttributeFlag attribute)
{
switch (attribute)
{
case VertexAttributeFlag.Position: return(VertexAttribute.Position);
case VertexAttributeFlag.Normal: return(VertexAttribute.Normal);
case VertexAttributeFlag.Tangent: return(VertexAttribute.Tangent);
case VertexAttributeFlag.Color: return(VertexAttribute.Color);
case VertexAttributeFlag.TexCoord0: return(VertexAttribute.TexCoord0);
case VertexAttributeFlag.TexCoord1: return(VertexAttribute.TexCoord1);
case VertexAttributeFlag.TexCoord2: return(VertexAttribute.TexCoord2);
case VertexAttributeFlag.TexCoord3: return(VertexAttribute.TexCoord3);
case VertexAttributeFlag.TexCoord4: return(VertexAttribute.TexCoord4);
case VertexAttributeFlag.TexCoord5: return(VertexAttribute.TexCoord5);
case VertexAttributeFlag.TexCoord6: return(VertexAttribute.TexCoord6);
case VertexAttributeFlag.TexCoord7: return(VertexAttribute.TexCoord7);
case VertexAttributeFlag.BlendWeight: return(VertexAttribute.BlendWeight);
case VertexAttributeFlag.BlendIndices: return(VertexAttribute.BlendIndices);
default: throw new InvalidOperationException("Unexpected attribute : " + attribute);
}
}
private static Type GetOutputType(VertexAttributeFlag attribute)
{
switch (attribute)
{
case VertexAttributeFlag.Position: return(typeof(Vector3));
case VertexAttributeFlag.Normal: return(typeof(Vector3));
case VertexAttributeFlag.Tangent: return(typeof(Vector4));
case VertexAttributeFlag.Color: return(typeof(Vector4));
case VertexAttributeFlag.TexCoord0:
case VertexAttributeFlag.TexCoord1:
case VertexAttributeFlag.TexCoord2:
case VertexAttributeFlag.TexCoord3:
case VertexAttributeFlag.TexCoord4:
case VertexAttributeFlag.TexCoord5:
case VertexAttributeFlag.TexCoord6:
case VertexAttributeFlag.TexCoord7: return(typeof(Vector2));
case VertexAttributeFlag.BlendWeight: return(typeof(Vector4));
case VertexAttributeFlag.BlendIndices: return(typeof(Vector4));
default: throw new InvalidOperationException("Unexpected attribute : " + attribute);
}
}
private bool HasOutput(VertexAttributeFlag flag)
{
return((output & flag) == flag);
}